Question
$$\frac{3}{10}+\frac{23}{100} = 0$$
Answer
This equation has no solution.
Explanation
$$ \begin{aligned} \frac{3}{10}+\frac{23}{100} &= 0&& \text{multiply ALL terms by } \color{blue}{ 100 }. \\[1 em]100\cdot\frac{3}{10}+100\cdot\frac{23}{100} &= 100\cdot0&& \text{cancel out the denominators} \\[1 em]30+23 &= 0&& \text{simplify left side} \\[1 em]53 &= 0&& \\[1 em] \end{aligned} $$
Since the statement $ \color{red}{ 53 = 0 } $ is FALSE, we conclude that the equation has no solution.
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